The wine maintains seal effectively cool a bottle out of the fridge. The pump and the two plugs are also very practical and their use actually preserves the wine's aromas longer than when not removes air from the container. When the corkscrew, its plastic fins seem a bit fragile but for now, it is proven. Remains to be seen if it will prove more solid than it has the bonus of air first. Anyway, this box brings together everything you may need for its wine.